Data Sufficiency (DS)

16 Sep 2025, 06:05

ER

DS Question Directory by Topic and Difficulty

bb

29 Aug 2025, 13:27

1.5k

0

488,337

by: bb

29 Aug 2025, 13:27

ER

There is a total of 400 students. 310 students participated in A, and

555-605 (Medium) | Statistics and Sets Problems

555-605 (Medium) | Statistics and Sets Problems hide tags

MathRevolution

06 Jun 2017, 02:37

2

2,149

08 Jun 2017, 00:52

ER

Is y!/x! an integer?

Poor Quality

Poor Quality hide tags

BukrsGmat

13 Jul 2012, 04:17

7

10

7,618

by: akshayk

13 Jun 2017, 22:34

ER

Is y^3 < |y|?

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

ydmuley

25 Jun 2017, 09:03

1

9

2,785

by: niks18

28 Jun 2017, 12:34

ER

Robin and Barney, the guitarist and bassist, respectively, of a popula

505-555 (Easy) | Word Problems

505-555 (Easy) | Word Problems hide tags

Bunuel

16 Feb 2015, 06:51

3

7

3,203

by: ydmuley

28 Jun 2017, 12:40

ER

Is rst > 1?

555-605 (Medium) | Inequalities

555-605 (Medium) | Inequalities hide tags

Bunuel

14 Jun 2017, 06:49

2

7

2,605

by: JeffTargetTestPrep

06 Jul 2017, 18:30

ER

If abc ≠ 0, is abc > 0 ?

805+ (Hard) | Absolute Values, Inequalities

805+ (Hard) | Absolute Values, Inequalities hide tags

Bunuel

11 Aug 2017, 01:19

7

6

3,130

by: Mo2men

12 Aug 2017, 11:20

ER

If m ≠ 0 and n ≠ 0, is mn > 0?

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

Bunuel

29 Apr 2016, 03:56

8

6

3,786

by: ManishKM1

13 Aug 2017, 20:28

ER

a and b are integers such that a*b # 0. Is |a|/|b| = a/b?

555-605 (Medium) | Absolute Values

555-605 (Medium) | Absolute Values hide tags

joylive

24 Nov 2012, 08:56

5

3

2,947

14 Aug 2017, 01:02

ER

If b is an integer, is a|a| < 2^b

555-605 (Medium) | Absolute Values +2 tags

555-605 (Medium) | Absolute Values, Exponents, Inequalities hide tags

harish1986

14 Oct 2015, 09:47

6

4

2,675

15 Aug 2017, 07:35

ER

Is x = y?

555-605 (Medium) | Absolute Values, Algebra

555-605 (Medium) | Absolute Values, Algebra hide tags

Bunuel

14 Aug 2017, 06:18

3

5

2,246

by: ScottTargetTestPrep

24 Aug 2017, 13:36

ER

What is the remainder when the positive integer x is divided by 31?

555-605 (Medium) | Remainders

555-605 (Medium) | Remainders hide tags

Bunuel

14 Aug 2017, 03:51

4

6

2,873

by: ScottTargetTestPrep

24 Aug 2017, 13:37

ER

Is x = 5?

605-655 (Medium) | Algebra

605-655 (Medium) | Algebra hide tags

Bunuel

14 Aug 2017, 06:18

5

4

2,690

by: antztheman

26 Aug 2017, 03:35

ER

If x and y are positive integers and x < y, what is the value of x?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

28 Aug 2017, 04:03

2

9

2,091

28 Aug 2017, 21:41

ER

Is x+y<180?

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

MathRevolution

25 May 2016, 18:35

5

4

2,912

07 Sep 2017, 03:40

ER

What is the perimeter of a certain right triangle?

605-655 (Medium) | Geometry

605-655 (Medium) | Geometry hide tags

MathRevolution

06 Mar 2017, 01:13

3

6

1,985

09 Sep 2017, 21:29

ER

If (xy)^(1/2) = 3, what is the value of x ?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

17 Sep 2017, 03:04

1

8

2,082

26 Sep 2017, 21:11

ER

If p and q are positive integers such that pq has exactly 4 unique pos

805+ (Hard) | Multiples and Factors, Number Properties

805+ (Hard) | Multiples and Factors, Number Properties hide tags

BillyZ

27 Mar 2017, 01:35

29

5

4,765

27 Sep 2017, 01:07

ER

If m is a positive integer greater than 1 can m be expressed

555-605 (Medium) | Number Properties

555-605 (Medium) | Number Properties hide tags

BN1989

14 Mar 2012, 05:36

2

4

5,406

03 Oct 2017, 09:58

ER

Does b = 2b - a ?

655-705 (Hard) | Algebra

655-705 (Hard) | Algebra hide tags

Bunuel

02 Oct 2017, 23:49

2

5

2,158

by: Shobhit7

05 Oct 2017, 21:34

ER

In the figure above, if DE is parallel to , what is the sum

655-705 (Hard) | Geometry

655-705 (Hard) | Geometry hide tags

banksy

15 Feb 2011, 08:04

3

4

5,072

18 Oct 2017, 08:35

ER

If R is the radius of a certain circle, is the area of this circle

505-555 (Easy) | Geometry

505-555 (Easy) | Geometry hide tags

Skywalker18

23 Oct 2017, 07:48

3

2,310

23 Oct 2017, 21:19

ER

If x, y, and z are distinct positive integers, is x(y – z) less than y

555-605 (Medium) | Algebra, Inequalities

555-605 (Medium) | Algebra, Inequalities hide tags

AbdurRakib

22 Jul 2016, 13:06

11

4

5,346

28 Oct 2017, 13:15

ER

What is value of x - y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

BukrsGmat

06 Apr 2013, 11:04

3

8

4,879

30 Oct 2017, 11:52

ER

The vertices of a triangle are on points A(a,b), B(2,2)

655-705 (Hard) | Coordinate Plane, Geometry

655-705 (Hard) | Coordinate Plane, Geometry hide tags

kenguva

30 Jan 2012, 03:35

7

5

4,452

30 Oct 2017, 16:10

ER

Does (x + y)² + (x – y)² = 170?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

zahraf

11 Jun 2015, 23:07

3

4

3,519

31 Oct 2017, 16:16

ER

If 2x (5n) = t, what is the value of t?

Sub 505 (Easy) | Algebra

Sub 505 (Easy) | Algebra hide tags

dreambig1990

10 Nov 2013, 03:57

3

2

8,012

12 Nov 2017, 08:41

ER

If a, b and c are integers and a < b < c. Are a, b, c consecutive

705-805 (Hard) | Number Properties

705-805 (Hard) | Number Properties hide tags

stonecold

17 Aug 2016, 07:26

55

5

14,262

19 Nov 2017, 23:33

ER

What is the perimeter of a rectangle with length L and width w

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

HKD1710

14 Jan 2017, 07:19

1

2

2,980

by: EMPOWERgmatRichC

23 Nov 2017, 16:10

ER

If a, b, and c are positive numbers, is a < b < c?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Smita04

13 Apr 2012, 22:21

1

3

3,470

26 Nov 2017, 11:25

ER

If n is a positive integer, is n odd?

505-555 (Easy) | Number Properties

505-555 (Easy) | Number Properties hide tags

gmatmania17

29 Dec 2014, 04:00

2

3

3,141

by: EMPOWERgmatRichC

27 Nov 2017, 12:09

ER

Bob purchased 18 cans of soda, some of which contained diet soda. How

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Sajjad1994

19 Feb 2017, 05:07

10

3

8,332

by: EMPOWERgmatRichC

10 Dec 2017, 14:28

ER

In the figure above, what is the value of x + y?

555-605 (Medium) | Geometry

555-605 (Medium) | Geometry hide tags

Sajjad1994

17 Dec 2017, 01:23

4

2,451

by: exc4libur

17 Dec 2017, 09:12

ER

What is the value of (n + 1)^2?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

Bunuel

01 Jun 2016, 04:30

4

7,114

21 Dec 2017, 19:13

ER

How many computers did Michael, a salesman for the computer

605-655 (Medium) | Percent and Interest Problems

605-655 (Medium) | Percent and Interest Problems hide tags

nelz007

01 Nov 2012, 02:12

4

2

5,781

by: chetan2u

23 Dec 2017, 09:03

ER

If a is a positive integer and y = 3.2 x 10^a, what is the value of y?

555-605 (Medium) | Algebra

555-605 (Medium) | Algebra hide tags

AkshdeepS

29 Dec 2017, 10:17

1

3

1,487

29 Dec 2017, 10:39

ER

Is x/3 < x?

505-555 (Easy) | Inequalities

505-555 (Easy) | Inequalities hide tags

BillyZ

21 Mar 2017, 20:02

2

6

4,438

31 Dec 2017, 14:43

ER

On the x-y coordinate plane, a point (1,2) is on a parabola y=ax^2+bx+

655-705 (Hard) | Functions and Custom Characters

655-705 (Hard) | Functions and Custom Characters hide tags

MathRevolution

31 Jan 2016, 21:39

10

4

3,599

by: luffy_ueki

02 Jan 2018, 22:13

ER

If Φ is a digit in the number n and n = 3.Φ6, what is Φ?

Sub 505 (Easy) | Fractions and Ratios

Sub 505 (Easy) | Fractions and Ratios hide tags

Bunuel

01 Nov 2016, 04:49

5

2

5,334

by: BrentGMATPrepNow

10 Jan 2018, 09:13

ER

Is the product of a, b and c divisible by 3?

705-805 (Hard) | Arithmetic +2 tags

705-805 (Hard) | Arithmetic, Multiples and Factors, Number Properties hide tags

chetan2u

02 Dec 2017, 05:28

3

12

3,296

20 Jan 2018, 22:19

ER

Is x greater than x^3? (1) x is negative. (2) x^2 - x^3 > 2

655-705 (Hard) | Inequalities

655-705 (Hard) | Inequalities hide tags

Bunuel

19 Jan 2018, 10:57

2

3

2,065

22 Jan 2018, 23:05

ER

Is n < 0 ? (1) n - 1 < 0 (2) |3 - n| > |n + 5|

555-605 (Medium) | Absolute Values, Inequalities

555-605 (Medium) | Absolute Values, Inequalities hide tags

MathRevolution

29 Jan 2018, 04:29

4

2,633

by: ccooley

31 Jan 2018, 13:04

ER

What is the value of (x+3y)/(3x-y)?

Poor Quality

Poor Quality hide tags

MathRevolution

05 Feb 2018, 02:12

4

3,634

07 Feb 2018, 05:23

ER

A sales manager at an industrial company has an opportunity to switch

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

18 Jun 2015, 02:55

2

4

3,913

by: Jay23456

15 Feb 2018, 07:22

ER

John, Peter, and Paul together have ten marbles. If each has at least

Sub 505 (Easy) | Word Problems

Sub 505 (Easy) | Word Problems hide tags

Bunuel

13 Feb 2018, 22:42

2

4

3,559

by: varun4s

17 Feb 2018, 03:00

ER

Is A > B ? (1) A is positive. (2) (A + B)^2 is positive.

Sub 505 (Easy) | Inequalities

Sub 505 (Easy) | Inequalities hide tags

Bunuel

13 Feb 2018, 23:02

3

1,573

by: GMATinsight

18 Feb 2018, 05:33

ER

A rectangle is 40 inches long. What is its area? (1) Its perimeter

Sub 505 (Easy) | Geometry

Sub 505 (Easy) | Geometry hide tags

Bunuel

13 Feb 2018, 22:45

1

3

3,445

by: GMATinsight

18 Feb 2018, 05:37

ER

Is 15 the average (arithmetic mean) of x, y, and 15?

Sub 505 (Easy) | Statistics and Sets Problems

Sub 505 (Easy) | Statistics and Sets Problems hide tags

Bunuel

15 Feb 2018, 08:46

3

2,812